This app was mentioned in 5 comments, with an average of 2.40 upvotes
there's also a bacteria shooting game that work like that on google play https://play.google.com/store/apps/details?id=com.Realiteer.GermBuster1&hl=en
it is rather heavy for snapdraon 800 though
there's a cardboard game that already does something like that in play store but using QR instead of red color.
https://play.google.com/store/apps/details?id=com.Realiteer.GermBuster1&hl=en
you can try that to feel it right now :D
Maybe in some kind of eyetoy style it is possible. But the battery would go down very fast. haven't seen one either.
Edit: Ok at least marker tracking :) https://play.google.com/store/apps/details?id=com.Realiteer.GermBuster1&hl=de
You should include germbuster vr to the list
So you need to install more apps on your device.
These are some VR apps we recommend you: https://play.google.com/store/apps/details?id=com.Realiteer.GermBuster1 https://play.google.com/store/apps/details?id=com.focus.insidiousCardboard https://play.google.com/store/apps/details?id=com.cardboard.fps https://play.google.com/store/apps/details?id=com.fibrum.roallercoastervr https://play.google.com/store/apps/details?id=com.nivalvr.inmind https://play.google.com/store/apps/details?id=com.software.mick.fargods.wip.demo https://play.google.com/store/apps/details?id=com.otherworld.robobliteration https://play.google.com/store/apps/details?id=com.archiactinteractive.LfGC https://play.google.com/store/apps/details?id=com.warprecords.squarepusherstoreiglass https://play.google.com/store/apps/details?id=com.jauntvr.preview.mccartney https://play.google.com/store/apps/details?id=com.PixelsOfEight.SGVRlogRide https://play.google.com/store/apps/details?id=com.FabulousPixel.TuscanyDive https://play.google.com/store/apps/details?id=com.jauntvr.preview.tnf https://play.google.com/store/apps/details?id=com.dejobaangames.caaaaardboard https://play.google.com/store/apps/details?id=com.ZeroTransform.ProtonPulse https://play.google.com/store/apps/details?id=com.otherworld.Sisters